Potential side effects may include injection-site redness, swelling, bruising, itching, tenderness, small lumps, headache, fatigue, nausea, appetite changes, abdominal discomfort, stool changes, dizziness, altered sleep, mood changes, or feeling off. Allergic or immune reactions are also possible, and the FDA has specifically raised concerns about immunogenicity and peptide-related impurities in compounded BPC-157
The most common types include: Cyanocobalamin Methylcobalamin Hydroxocobalamin Each type varies in absorption rate, duration, and suitability
Potential concerns include the peptide's angiogenic properties
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Department of Health and Human Services, the daily recommended intake for vitamin B12 is 2.4 micrograms for adults over the age of 18 years
Anyone with a known cobalt or cobalamin allergy